Corticosteroids significantly improved the survival rate and intellectual outcome of children with TBM. Enhanced resolution of the basal exudate and tuberculomas by steroids was shown by serial CT scanning. Corticosteroids did not affect ICP or the incidence of basal ganglia infarction significantly.
The effect of iron fortification of soup in a school feeding scheme (20 mg iron and 100 mg vitamin C per portion) and anthelmintic therapy on haematological and iron status and on growth was studied in 179 schoolchildren age six to eight years. Measurements were performed before and at the end of a six-month intervention and repeated five months later. In children with low baseline iron stores (serum ferritin <20 μg/L), iron fortification was associated with increases in haemoglobin (p <.05), mean corpuscular volume (p <.01), and serum ferritin (p<.0001), compared with children who received unfortified soup. Significant positive effects of the anthelmintic therapy on haemoglobin concentrations (p < .05) and height-for-age Z scores (p<.01) were found. Children with adequate baseline iron stores showed smaller but similar changes.
Arterial stroke is the main cause of poor outcome in childhood tuberculous meningitis. Aspirin has an antithrombotic action at low dose and anti-ischemic and anti-inflammatory properties, which are dose-related. The aim of the study was to explore the possible benefits of aspirin in children with tuberculous meningitis. A total of 146 consecutive children with a diagnosis of probable tuberculous meningitis were studied. Patients were randomized into 3 groups: (1) placebo group, (2) low-dose aspirin group, and (3) high-dose aspirin group. Twenty-nine additional patients who received aspirin before admission were excluded from the randomized study, but continued on low-dose aspirin. Aspirin, irrespective of dose, did not show any significant benefit regarding morbidity (hemiparesis and developmental outcome) and mortality. Aspirin was well tolerated, but 1 death was probably related to aspirin. The fact that the outcome of the high-dose aspirin group compared favorably with the other treatment groups despite younger age and more severe neurological involvement at baseline needs further investigation.
Serial cranial computed tomographic (CT) scanning and intracranial pressure monitoring were performed on 198 children with stage II and III tuberculous meningitis. The aims of the study were to document the course of tuberculous hydrocephalus during medical and surgical treatment, as well as the prognostic significance of parenchymal changes in the brain as demonstrated by CT. Lumbar cerebrospinal fluid pressure was monitored continuously for a 1-hour period in all patients on admission and at weekly intervals in patients with communicating hydrocephalus for the 1st month of treatment. Cranial CT scanning was done on admission and repeated in survivors after 1 month and again after 6 months of antituberculous therapy. The raised intracranial pressure of 112 children with communicating hydrocephalus, as demonstrated by air-encephalography, was treated medically (with daily acetazolamide and furosemide) for 1 month. Thirty-one children with noncommunicating hydrocephalus were referred for immediate ventriculoperitoneal shunting. No significant difference was found in the eventual ventricular size or clinical outcome between the two treatment groups. Lumbar cerebrospinal fluid pressure changes in the children with communicating hydrocephalus closely followed changes in the degree of hydrocephalus during the course of treatment. The main cause of permanent neurologic disability was basal ganglia infarction, which occurred unilaterally in 21% and bilaterally in 10% of patients on admission and developed in a further 22% of children during treatment. A prominent subarachnoid space, which was seen on the CT scan of 36% of patients after the 1st month of treatment and which reverted to normal, probably relates to the poor nutritional state of these patients on admission.(ABSTRACT TRUNCATED AT 250 WORDS)
Purpose Transcranial Doppler imaging (TCDI) is potentially a valuable investigational tool in children with tuberculous meningitis (TBM), a condition often complicated by pathology relevant to Doppler imaging such as raised intracranial pressure (ICP) and cerebral vasculopathies. Methods Serial TCDI was performed on 20 TBM children with the aim of investigating cerebrovascular haemodynamics and the relationship between pulsatility index (PI) and ICP. Results We observed a poor correlation between ICP and PI in children with communicating hydrocephalus (p=0.72). No decline in PI was noted following 7 days of medical therapy for communicating hydrocephalus (p=0.78) despite a concomitant decline in ICP. Conversely, a decline in PI was noted in all four children with non-communicating hydrocephalus who underwent cerebrospinal fluid diversion. High blood flow velocities (BFV) in all the basal cerebral arteries were observed in 14 children (70 %). The high BFV persisted for 7 days suggesting stenosis due to vasculitis rather than functional vasospasm. Complete middle cerebral artery (MCA) occlusion, subnormal mean MCA velocities (<40 cm/s) and PIs (<0.4) correlated with radiologically proven large cerebral infarcts. Conclusions TCDI-derived PI is not a reliable indicator of raised ICP in children with tuberculous hydrocephalus. This may be attributed to individual variation of tuberculous vascular disease, possibly compromising cerebral vascular compliance and resistance. Basal artery stenosis secondary to vasculitis is observed during the acute stage of TBM in the majority of children.
The 'refined' MRC scale 1 week after diagnosis showed the best association with neurological outcome after 6 months of treatment. The excellent discriminatory power of the TCH scale and its simplicity of use make it the ideal scale for use in resource-poor settings.
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